Jun 4, 2026 · 45m · catalyst
Surprising trends in global electricity generation
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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
Host Shail Khan and Ember data analyst Nick Fulgham explore findings from the Global Electricity Review, analyzing record exponential solar growth, coal peaking dynamics in China and India, and the rising role of battery storage.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Shayle holds 26.8% of the talking time here. How this is scored →
Shayle as informed peer 6.4 Guest teaching 3.7 Guest disagreement 1.0 Shayle pushing back 1.1
speaking balance: gold is Shayle, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 34:00 Reframing 100% battery shifting necessity
Fulgham gently challenges the assumption that systems need to shift 100% of midday solar peak, explaining why 50% is the optimal economic benchmark.
Hardest push from Shayle ▶ 11:59 Pressing on China and India fossil reduction anomalyKann pushes past the aggregate clean energy narrative to probe whether falling fossil generation in China and India was merely a one-year anomaly or a true structural shift.
Biggest teaching moment ▶ 21:42 Nuclear integration dynamics in China versus EuropeFulgham educates the host on why China's vast coal inventory allows nuclear to run purely baseload without suffering the flexible ramping demands seen in European grids.
Shayle holds their own ▶ 38:49 Kann detailing ERCOT merchant battery revenue compressionKann demonstrates deep practitioner expertise by detailing how compressed price spreads in ERCOT are dampening battery financing despite ongoing renewable deployment.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Shayle as informed peer | Guest teaching | Guest disagreement | Shayle pushing back | Why |
|---|---|---|---|---|---|---|
| Explosive Solar Generation Growth and Exponential Trajectories | 6 | 3 | 1 | 1 | Kann engages as a seasoned clean tech investor, highlighting why generation data matters over capacity nameplate numbers and discussing historical S-curve expectations. Fulgham provides the Ember data showing the 30% growth rate. | |
| Global Clean Energy Surge Outpaces Demand and Displaces Fossil Generation | 6 | 4 | 1 | 2 | Kann highlights the narrative violation of falling fossil generation in China and India, asking Fulgham to explain whether it is an anomaly. Fulgham contextualizes India's mild monsoon versus China's structural renewable surge. | |
| China's Transition: Coal Plant Flexibility and Renewable Curtailment | 7 | 4 | 1 | 1 | Kann astutely identifies the shift in Chinese coal plants operating as peaking/shoulder resources rather than baseload, and asks about rising curtailment. Fulgham confirms with details on technical minimum throttling mandates. | |
| Evaluating China's Nuclear Expansion in a High-Renewable System | 6 | 5 | 1 | 1 | Kann questions how China's expanding nuclear fleet will handle market dispatch alongside zero-marginal-cost renewables. Fulgham clarifies that China's coal fleet is large enough that nuclear can remain pure baseload without immediate curtailment risk. | |
| Sponsor Segment: Digital Infrastructure and Flexible Grid Solutions | 5 | 3 | 1 | 1 | Following sponsor reads, Kann and Fulgham evaluate India's electricity growth, with Kann noting India's GDP energy intensity is less than half of China's historical equivalent. | |
| Global Battery Storage Deployment and Solar Peak Shifting | 8 | 3 | 1 | 1 | Kann demonstrates strong market expertise, calculating required battery growth multiples to match solar peaks and bringing in ERCOT wholesale merchant spread compression to illustrate cyclical deployment bottlenecks. | |
| Diverging Global Paths for Natural Gas Power Generation | 7 | 4 | 1 | 1 | Kann frames the divergence between the US AI data center natural gas boom and global trends. Fulgham details why US cheap domestic supply separates it from LNG-importing nations impacted by geopolitical risks. |
Statements from this episode (23)
Kann: Markets underappreciate electricity as a driver of future economic growth
“I'm not sure the market is actually bullish enough about electricity as a cornerstone of economic growth in the coming years, not to mention energy growth globally over the coming years.”
Kann: Electricity accounts for only 20% of global final energy demand
“As a reminder, electricity is only 20% of final energy demand as it stands today.”
Fulgham: Global solar generation increased by 636 TWh (30%) in 2025
“Solar has really had a standout year in 2025 increased by 636 terabyte hours. So that's twice the size of the UK's annual electricity demand. Huge amount of additional electricity globally that's coming from solar. And the really interesting trend that we foun…”
Fulgham: Solar generation averaged 27% annual growth over past decade
“We've now had over the last 10 years, the average was 27%.”
Fulgham: Solar relative growth may slow in 2026 despite record absolute gains
“My gut feeling now is that maybe 2026 is the year where that relative growth rate will step down a little bit, and we'll see slower relative growth, even though we might still again get a record absolute increase.”
Fulgham: Solar scaled from 100 TWh to 2,000 TWh faster than any energy source
“How long does it take for sources to go from a hundred terawatt hours to a size like 2000 terawatt hours? And if you look historically, no source has ever made that jump as quickly as solar has. Right behind it is wind with just a few more years.”
Fulgham: Wind added over 200 TWh globally in 2025
“It was the second fastest growing source and just over 200 terawatt hours, so made up a huge amount of the increase in demand.”
Fulgham: Global fossil generation fell in 2025 for fifth time this century
“And that meant that for only the fifth time in this century, and for the first time since twenty-twenty, we actually saw a small fall in fossil generation, particularly a fall from coal generation, which was both in India and China we had those falls.”
Fulgham: Structural fossil generation declines in India will happen closer to 2030
“But we do expect that it will still take a few more years for that trend to really be structural. So it'll be closer to 2030, where we'll be seeing normal years of demand growth and falls in fossil generation at the same time in India.”
Kann: China's fossil fuel electricity generation has stayed flat for years
“Fossil generation in China has been flat now for a couple of years. It's not just a one-year anomaly. It basically flattened off and has stayed that way.”
Fulgham: China mandates coal plants throttle down midday for solar
“China is actively reducing the lowest level that coal plants can run out. Now, this is not just a policy choice. It's also a technical requirement. So it means they want Coal plants to be able to throttle down in the middle of the day further than they had to …”
Fulgham: China faces significant coal generator overcapacity for years
“China is very much moving into an, into a time where they will, for most of the year, there will be significant overcapacity of coal coal generators as well. So yeah, a big change in the role that China is using coal. And that will be a feature for years to co…”
Fulgham: China's renewable curtailment is likely higher than reported
“In the meantime, that means that curtailment likely is significantly higher than what is being reported, or at least that's what we expect from when we look at how much capacity has been installed and how much generation is actually growing.”
Fulgham: China drove almost the entire global nuclear generation increase in 2025
“China's by far the country that is leading nuclear generation build out currently, and it's not close to anyone else. So almost the entire increase in 20, 25 as well was in China directly.”
Fulgham: India's per-capita renewables generation is 5x China's 15-year-old baseline
“Wind and solar generation per capita India's has now is already five times higher than China's was 15 years ago, and obviously that's only going to continue to grow.”
Fulgham: India's coal generation will peak 3 to 4 times lower than China's
“And that means we think that India is going to top out or peak its coal generation, both in absolute terms and per capita at a level that's three to maybe even four times lower than where China's peak was.”
Fulgham: India may meet all new power demand with clean energy by 2030–2035
“Where we could even see as soon as 2030, that structural point where all of the new demand is already met by clean power sources. And that means that not just fossil generation, but also coal generation would not need to grow beyond that. Now it might not be e…”
Fulgham: Global battery storage installations grew 46% to 250 GWh in 2025
“The installations in 2025 were around 250 gigawatt hours of energy capacity from batteries, and that's a 46% increase over the deployment in the previous year.”
Fulgham: 2025 battery additions can shift 14% of new solar output
“We also have 250 gigawatt hours of additional battery capacity. And you put those two together, and it means that 14% of all the solar generation, the additional solar generation we had globally, can be shifted to different parts of the day.”
Kann: US, China, and EU battery-to-solar ratios lag at 9% to 20%
“The U.S. Down at 20%. China down at 18%. The EU down at nine percent.”
Kann: Batteries must grow 2x-3x faster than solar to reach equilibrium
“The implication to me is that batteries should be growing at roughly two to three times the rate that solar should to play catch up here. And so we have this, you know, we started off with this, like, very bullish solars meeting the vast majority of new, like,…”